When you work on something you love, it isn't work anymore. You'll be more passionate about the subject and more productive around getting things done... Not to

When you work on something you love, it isn't work anymore. You'll be more passionate about the subject and more productive around getting things done... Not to mention orders of magnitude more creative. So I think you're asking the right questions but you need to look at it from a slightly different angle. I'd also agree with you that life is short... But it's also long. You can always switch fields, learn new things, reinvent yourself. There are no rules...